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| Parameter | NSK6834170 × 215 × 22 mm | KOYO6834170 × 215 × 22 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 6834 | 6834 |
| Product family | Single row deep groove ball bearings | Single-row / Open type |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Bore diameterd | 170 mm | 170 mm |
| Outside diameterD | 215 mm | 215 mm |
| WidthB | 22 mm | 22 mm |
| Basic dynamic load ratingC | 66 kN | 74.8 kN |
| Basic static load ratingC0 | 75 kN | 70.5 kN |
| Fatigue load limitPu | — | 2.6 kN |
| Limiting speednG | — | 2700 r/min |
| Mass≈m | 1.86 kg | 1.9 kg |
| Sealing | Open | Open |
| Boundary dimensions | ||
| Bearing widthB | 22 mm | — |
| Minimum bearing chamferr min. | 1.1 mm | — |
| Classification | ||
| Official Category Path | — | Deep groove ball bearings - Single-row - Open type |
| Official Classification 1 | — | Deep groove ball bearings / Single-row / Open type |
| Construction | ||
| Catalogue closure construction | Open | — |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 66000 N | — |
| Basic static radial load ratingC0r | 75000 N | — |
| Equivalent-load calculation factorf0 | 17.1 | — |
| Lubrication-qualified speed | ||
| Limiting speed with grease | 2600 r/min | — |
| Limiting speed with oil (open bearing) | 3000 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 010-010-010 |
| Mounting dimensions | ||
| Minimum shaft shoulder diameterda min. | 176.5 mm | — |
| Maximum shaft shoulder diameterda max. | 182 mm | — |
| Maximum housing shoulder diameterDa max. | 208.5 mm | — |
| Maximum shaft or housing fillet radiusra max. | 1 mm | — |
| Reference mass | ||
| Approximate catalogue mass (open reference) | 1.86 kg | — |
| Technical Data | ||
| d | — | 215 mm |
| B | — | 22 mm |
| R(Min.) | — | 1.1 mm |
| Basic Load Ratings : Cr | — | 74.8 kN |
| Basic Load Ratings : C0R | — | 70.5 kN |
| Fatigue Load Limit : Cu | — | 2.60 kN |
| Factor : F0 | — | 16.1 |
| Limiting Speeds(Grease Lub.) | — | 2700 min-1 |
| Limiting Speeds(Oil Lub.) | — | 3200 min-1 |
| Da(Min.) | — | 176.5 mm |
| Da(Max.) | — | 208.5 mm |
| Ra(Max.) | — | 1 mm |
| Mass(Refer.) | — | 1.90 kg |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.